From: Keir Fraser <keir@xensource.com>
Date: Thu, 25 Oct 2007 13:57:08 +0000 (+0100)
Subject: hvm: Improve and limit the messages for unexpected mmio accesses to
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14828^2~45
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d3d542204164ea14ac2a118e6b00a8119ce597b2;p=xen.git

hvm: Improve and limit the messages for unexpected mmio accesses to
the platform device.

Signed-off-by: Ben Guthro <bguthro@virtualron.com>
Signed-off-by: Gary Grebus <ggrebus@virtualiron.com>
---

diff --git a/tools/ioemu/hw/xen_platform.c b/tools/ioemu/hw/xen_platform.c
index ae7b2a5ff8..9eaf35269c 100644
--- a/tools/ioemu/hw/xen_platform.c
+++ b/tools/ioemu/hw/xen_platform.c
@@ -36,14 +36,24 @@ static void platform_ioport_map(PCIDevice *pci_dev, int region_num,
 
 static uint32_t platform_mmio_read(void *opaque, target_phys_addr_t addr)
 {
-    fprintf(logfile, "Warning: try read from xen platform mmio space\n");
+    static int warnings = 0;
+    if (warnings < 5) {
+	    fprintf(logfile, "Warning: attempted read from physical address "
+		    "0x%lx in xen platform mmio space\n", addr);
+	    warnings++;
+    }
     return 0;
 }
 
 static void platform_mmio_write(void *opaque, target_phys_addr_t addr,
 			       uint32_t val)
 {
-    fprintf(logfile, "Warning: try write to xen platform mmio space\n");
+    static int warnings = 0;
+    if (warnings < 5) {
+	    fprintf(logfile, "Warning: attempted write of 0x%x to physical "
+		    "address 0x%lx in xen platform mmio space\n", val, addr);
+	    warnings++;
+    }
     return;
 }